The 1747-L542/B is a processor module from Rockwell Automation’s SLC 500 series. It is designed for industrial automation and control applications. The module supports ladder logic and structured text programming, offering flexibility for programming complex control systems. It features significant memory and input/output capacity, as well as versatile communication options.

Technical Specifications

• Program Memory: 32K words.
• Discrete Input Points: 4096.
• Discrete Output Points: 4096.
• Communication Ports: RS-232, RS-422, RS-423 (supports protocols like DH-485, ASCII, DF1, Modbus RTU).
• Power Supply:
  • 1 Amp at 5V DC.
  • 0 mA at 24V DC.
• Dimensions: 2.0 in x 6.0 in x 6.0 in (5.1 cm x 15.2 cm x 15.2 cm)
• Weight: 0 lbs 11.0 oz (0.3 kg)
• Backplane Current: 500 mA @ 5V DC, 175 mA @ 24V DC.
• Voltage Range: 5-24 VDC.
• Max I/O: 8192 digital I/O points.
• Software Compatibility: RSLogix 500.
• Form Factor: Chassis mount.